/*
    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) 2012  Jeremy W. Murphy <jeremy.william.murphy@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/


#ifndef INDIVIDUAL_H
#define INDIVIDUAL_H

#include <random>
#include <functional>
#include <memory>

#include "node.h"
#include "terminal.h"
#include "function.h"
#include "config.h"
#include "subfactory.h"


namespace rmitgprime
{
    template <typename ReturnType = double>
    class Individual
    {
        public:
            int getDepth() const;
            int getSize() const;
            Node<ReturnType>* getRandomNode() const;
            double fitness() const;
            bool operator<(Individual<ReturnType> const &RHS) const
            {
                return fitness() < RHS.fitness();
            }

        private:
            Individual(Node<ReturnType> const &ROOT) : root(ROOT) {};

            Node<ReturnType> *root;
            double fitness_; // Let's just assume that zero is invalid for now.
    };
}

#endif // INDIVIDUAL_H
